Search for "aspartate and glutamate" in Full Text gives 4 result(s) in Beilstein Journal of Organic Chemistry.
Beilstein J. Org. Chem. 2012, 8, 100–106, doi:10.3762/bjoc.8.10
Beilstein J. Org. Chem. 2011, 7, 218–221, doi:10.3762/bjoc.7.29
Beilstein J. Org. Chem. 2011, 7, 75–81, doi:10.3762/bjoc.7.11
Beilstein J. Org. Chem. 2010, 6, No. 32, doi:10.3762/bjoc.6.32